Wikipedia:WikiProject Mathematics/List of mathematics articles (U)

U
U-bit  -- U-duality  -- U-invariant  -- U-quadratic distribution  -- U-rank  -- U-semigroup  -- U-statistic  -- UBC computer science  -- Ubersketch  -- UCL Faculty of Mathematical and Physical Sciences  -- UCPH Department of Mathematical Sciences  -- UCT Mathematics Competition  -- Udo of Aachen  -- Udwadia–Kalaba formulation  -- Ugly duckling theorem  -- UK Molecular R-matrix Codes  -- Ulam matrix  -- Ulam number  -- Ulam spiral  -- Ulam–Warburton automaton  -- Ulam's conjecture  -- Ulam's game  -- Ulam's packing conjecture  -- Ulm's theorem  -- Ultimate tic-tac-toe  -- Ultrabarrelled space  -- Ultrabornological space  -- Ultraconnected space  -- Ultrafilter  -- Ultrafilter (set theory)  -- Ultrafinitism  -- Ultragraph C*-algebra  -- Ultrahyperbolic equation  -- Ultralimit  -- Ultrametric space  -- Ultraparallel theorem  -- Ultrapolynomial  -- Ultraproduct  -- Ultrastrong topology  -- Ultraweak topology  --

Umb
Umbilic torus  -- Umbilical point  -- Umbral calculus  -- Umbral moonshine  -- Umbrella sampling  -- Unary coding  -- Unary function  -- Unary language  -- Unary numeral system  -- Unary operation  -- Unavoidable pattern  -- Unbiased estimation of standard deviation  -- Unbounded operator  -- Uncertain data  -- Uncertainty  -- Uncertainty analysis  -- Uncertainty budget  -- Uncertainty coefficient  -- Uncertainty exponent  -- Uncertainty parameter  -- Uncertainty principle  -- Uncertainty quantification  -- Uncertainty theory  -- Uncle Petros and Goldbach's Conjecture  -- Uncomfortable science  -- Unconditional convergence  -- Uncorrelated asymmetry  -- Uncorrelatedness (probability theory)  -- Uncountable set  -- Undecidable  -- Undecidable problem  -- Undecimal  -- Undefined (mathematics)  -- Under-fitting  -- Underdetermined system  -- Underfitting  -- Undergraduate Texts in Mathematics  -- Undulating number  -- Unduloid  --

Une
Unexpected hanging paradox  -- Unfoldable cardinal  -- Unfolding  -- Unfolding (functions)  -- Unfriendly partition  -- Ungula  -- Unibranch local ring  -- Unicity conjecture  -- Unicoherent space  -- Unicursal hexagram  -- Unification  -- Unification (computer science)  -- Unified CORDIC  -- Uniform 1 k2 polytope  -- Uniform 10-polytope  -- Uniform 2 k1 polytope  -- Uniform 4-polytope  -- Uniform 5-polytope  -- Uniform 6-polytope  -- Uniform 7-polytope  -- Uniform 8-polytope  -- Uniform 9-polytope  -- Uniform absolute-convergence  -- Uniform algebra  -- Uniform antiprismatic prism  -- Uniform boundedness  -- Uniform boundedness conjecture for rational points  -- Uniform boundedness principle  -- Uniform coloring  -- Uniform continuity  -- Uniform convergence  -- Uniform convergence in probability  -- Uniform field theory  -- Uniform honeycomb  -- Uniform honeycombs in hyperbolic space  -- Uniform integrability  -- Uniform isomorphism  -- Uniform k 21 polytope  -- Uniform limit theorem  -- Uniform matroid  -- Uniform module  -- Uniform norm  -- Uniform polyhedron  -- Uniform polyhedron compound  -- Uniform polytope  -- Uniform price auction  -- Uniform property  -- Uniform space  -- Uniform star polyhedron  -- Uniform tessellation  -- Uniform theory of diffraction  -- Uniform tiling  -- Uniform tiling symmetry mutations  -- Uniform tilings in hyperbolic plane  -- Uniform tree  -- Uniformity conjecture  -- Uniformizable space  -- Uniformization  -- Uniformization (probability theory)  -- Uniformization (set theory)  -- Uniformization theorem  -- Uniformly bounded representation  -- Uniformly Cauchy sequence  -- Uniformly connected space  -- Uniformly convex space  -- Uniformly disconnected space  -- Uniformly distributed measure  -- Uniformly hyperfinite algebra  -- Uniformly most powerful test  -- Uniformly smooth space  -- Unifying theories in mathematics  -- Unimodality  -- Unimodular  -- Unimodular lattice  -- Unimodular matrix  -- Unimodular polynomial matrix  -- Union (set theory)  -- Union-closed sets conjecture  -- Union of Czech mathematicians and physicists  -- Unipotent  -- Unipotent representation  -- Unique factorization domain  -- Unique games conjecture  -- Unique negative dimension  -- Unique sink orientation  -- Uniquely colorable graph  -- Uniqueness case  -- Uniqueness quantification  -- Uniqueness theorem  -- Uniqueness theorem for Poisson's equation  -- Unirationality  -- Unisolvent functions  -- Unisolvent point set  -- Unistochastic matrix  -- Unit (ring theory)  -- Unit angle  -- Unit ball  -- Unit circle  -- Unit commitment problem in electrical power production  -- Unit cube  -- Unit disk  -- Unit disk graph  -- Unit distance graph  -- Unit doublet  -- Unit fraction  -- Unit function  -- Unit hyperbola  -- Unit impulse  -- Unit interval  -- Unit measure  -- Unit propagation  -- Unit root  -- Unit root test  -- Unit sphere  -- Unit square  -- Unit tangent bundle  -- Unit vector  -- Unit-weighted regression  -- Unital (geometry)  -- Unital map  -- Unitarian trick  -- Unitary divisor  -- Unitary element  -- Unitary equivalence  -- Unitary group  -- Unitary matrix  -- Unitary method  -- Unitary operator  -- Unitary perfect number  -- Unitary representation  -- Unitary transformation  -- United Kingdom Mathematics Trust  -- United States of America Mathematical Olympiad  -- United States of America Mathematical Talent Search  -- Units conversion by factor-label  -- Unity  -- Unity amplitude  -- Univalent function  -- Univariate  -- Univariate (statistics)  -- Univariate analysis  -- Univariate distribution  -- Universal algebra  -- Universal algebraic geometry  -- Universal approximation theorem  -- Universal bundle  -- Universal C*-algebra  -- Universal chord theorem  -- Universal coefficient theorem  -- Universal composability  -- Universal differential equation  -- Universal embedding theorem  -- Universal enveloping algebra  -- Universal generalization  -- Universal geometric algebra  -- Universal graph  -- Universal hashing  -- Universal homeomorphism  -- Universal instantiation  -- Universal parabolic constant  -- Universal property  -- Universal quadratic form  -- Universal quantification  -- Universal representation (C*-algebra)  -- Universal set  -- Universal set (disambiguation)  -- Universal space  -- Universal Teichmüller space  -- Universal vertex  -- Universality (dynamical systems)  -- Universality probability  -- Universally Baire set  -- Universally measurable set  -- Universe (mathematics)  -- University of Chicago School Mathematics Project  -- University of Minnesota Talented Youth Mathematics Program  -- University of Sydney School of Mathematics and Statistics  -- University of Toronto Department of Mathematics  -- University of Waterloo Faculty of Mathematics  --

Unk
Unknot  -- Unknotting  -- Unknotting number  -- Unknotting problem  -- Unknown Soldier Memorial (Cairo)  -- Unknown unknown  -- Unlink  -- Unmatched count  -- Unnormalized modified KdV equation  -- Unordered pair  -- Unramified morphism  -- Unreasonable ineffectiveness of mathematics  -- Unrestricted algorithm  -- Unrooted binary tree  -- Unsatisfiable core  -- Unscented optimal control  -- Unseen species problem  -- Unsolved Problems in Number Theory  -- Unstructured grid  -- Untouchable number  -- Untyped lambda calculus  -- Unusual number  -- UP (complexity)  -- Up tack  -- Up to  -- Uplift modelling  -- Upper and lower bounds  -- Upper and lower probabilities  -- Upper bound theorem  -- Upper-convected time derivative  -- Upper half-plane  -- Upper p-series  -- Upper set  -- Upper topology  --

Upw
Upwind differencing scheme for convection  -- Upwind scheme  -- Urania Propitia  -- Uranium tile  -- Urelement  -- Urn problem  -- Urquhart graph  -- Ursell function  -- Urysohn and completely Hausdorff spaces  -- Urysohn universal space  -- Urysohn's lemma  -- Uses of trigonometry  -- Ushiki's theorem  -- Using the Borsuk–Ulam Theorem  -- Usual hypotheses  -- Utilitarian rule  -- Utility functions on indivisible goods  -- Utility graph  -- Utility maximization problem  -- Utilization  -- Utilization distribution  -- UTM theorem  -- Utpala  -- Utpala (astronomer)  -- UV fixed point  -- Uzawa iteration  -- Uzumaki  --